Chevrolet / GMC 6.6L LMM Duramax Turbo Diesel Engines (2007–2010)

Chevrolet / GMC 6.6L LMM Duramax Turbo Diesel Engines (2007–2010)

Looking for a premium, low-mileage replacement powertrain for your heavy-duty truck or commercial workhorse? Swap Engine Vault is proud to offer our elite selection of Chevrolet and GMC 6.6L LMM Duramax Turbo Diesel engines.

Harvested exclusively from fleet-decommissioned municipal vehicles, these complete powerplants deliver the massive towing capacity, legendary structural integrity, and proven reliability that full-size truck owners and professional mechanics depend on across both the American and Australian markets.

The Swap Engine Vault Standards: Why Buy From Us?

• Municipality Sourced & Dealership Maintained: Our LMM engine inventory is pulled exclusively from decommissioned municipal fleet vehicles (2007–2010) that have been regularly, expertly serviced—typically directly by authorized franchise dealerships.

• Elite Selection Process: We never deal in unverified salvage yard pullouts. Only vehicles that run flawlessly and show absolutely zero signs of fluid leakage, blowby, or structural issues are cleared for harvesting.

• ASE Certified Validation: Every engine undergoes a rigorous, multi-point testing matrix supervised directly by an ASE Certified Diesel Master Technician. We maintain absolute transparency—when you contact us, we can go over the exact test results for your specific engine in detail.

• Specialized Diesel Expertise: As premium powertrain professionals, our primary focus centers on high-tier Diesel Powerstroke and Duramax platforms, ensuring unmatched technical support and product expertise.

Technical Specifications & Engine Features

• Engine Code: 6.6L Duramax LMM Turbo Diesel V8

• Production Years: 2007–2010

• Block & Head Composition: Heavy-duty cast iron block paired with lightweight, high-airflow aluminum cylinder heads.

• Factory Performance Ratings: Rated at a stout 365 Horsepower @ 3,200 RPM and 660 lb-ft of Torque @ 1,600 RPM.

• Fuel Infrastructure: Advanced common-rail direct injection system utilizing high-pressure Bosch piezo injectors for crisp throttle response and optimized fuel delivery under extreme loads.

• Aspiration: High-performance Variable Geometry Turbocharger (VGT) providing instant, lag-free boost across the entire powerband.

Application & Ordering Details

These robust 6.6L platforms serve as versatile powerhouses that will adapt to a wide variety of heavy-duty applications. Depending on your exact project vehicle, swapping minor external accessories or brackets may be required to match your original chassis setup.

Important Package Details: Our LMM Duramax engines arrive totally complete, including the full set of premium fuel injectors, high-output turbocharger assembly, and all major core components pictured in our inventory listings.

Pricing, Logistics, & Core Inquiries

Note: The images displayed in this listing represent a previously sold engine and serve as an exact benchmark for the visual and mechanical quality of the inventory we have available at any given time.

Because our inventory moves quickly, individual pricing, exact mileages, and specific donor vehicle histories will vary. Core fees may also apply depending on your purchase configuration.

We provide secure, heavy-duty palletization with fully insured domestic freight across the United States, as well as direct containerized ocean freight to major international ports throughout Australia. Contact Swap Engine Vault today so we can pair you with the perfect, master-tested LMM Duramax engine to fit your performance needs and budget!